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Shtirlitz [24]
2 years ago
7

2. Given that a = 3 , b = 2, and c = −1, evaluate each of the following expressionsa) (a+3b)

Mathematics
1 answer:
ollegr [7]2 years ago
5 0

Answer:

9

Step-by-step explanation:

if you substitute a for 3 and b for 2 you should get 9

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4x – 2y = 2<br> x = y + 4​
Ray Of Light [21]

Answer:

y=-7; x=3

Step-by-step explanation:

You can substitute equation 2 into equation 1:

4(y+4)-2y=2

Then solve

4y+16-2y=2

2y+16=2

2y=-14

y=-7

x=-7+4

x=-3

3 0
3 years ago
Ana preparo chicha morada con 30 porciento de maiz concentrado y 70 porciento de agua.Si bebio el 30 porciento de la chicha mora
ale4655 [162]

Answer:

No se, lo siento

Step-by-step explanation:

4 0
4 years ago
Complete the addition 2/9+5/18
Valentin [98]
The answer would be 1/2 in fraction form or 0.5 in decimal
7 0
3 years ago
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In your class seven students do not receive a weekly allowance, Five students receive three dollars, Seven students receive five
olya-2409 [2.1K]

Answer:

\large \boxed{\text{\$3.50}}

Step-by-step explanation:

The mean is the sum of the allowances divided by the number of students.

\text{Mean}= \dfrac{7(0) + 5(3) + 7(5) + 3(6) + 2(8)}{24}= \dfrac{0 + 15 + 35 + 18 + 16}{24} = \mathbf{3.50}\\\text{The mean weekly allowance is $\large \boxed{\textbf{\$3.50}}$}

4 0
3 years ago
Brainliest for help! <br> Sketch a graph of the function <br> y =sin(x) + 2
diamong [38]

Answer:

The parent sine graph y=sin(x) has a range of -1 ≤ y ≤ 1

It crosses the x-axis x = 0° ± 180°n

The maximum points occur when x = 90° ± 360°n and y = 1

The minimum points occur when x = 270° ± 360°n and y = -1

The sketch the graph of function y=sin(x)+2 we simply move the graph of y=sin(x) up 2 units.

So this means it will have a range of 1 ≤ y ≤ 3

It no longer crosses the x-axis.

The maximum points occur when x = 90° ± 360°n and y = 3

The minimum points occur when x = 270° ± 360°n and y = 1

<u>Attached diagram</u>

The parent function y=sin(x) is shown in grey (dashed line)

The function y=sin(x)+2 is shown in red.

4 0
3 years ago
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